import router from './router'
import store from './store'
import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style

import getPageTitle from '@/utils/get-page-label'

NProgress.configure({ showSpinner: false }) // NProgress Configuration
// 不必强制修改密码的白名单！！！！
const changePwdWhiteList = ['admin', 'zhangsan', 'lisi', 'wangwu', 'zhaoliu', 'demo']
const whiteList = ['/login', '/auth-redirect', '/demo/calendar'] // no redirect whitelist

router.beforeEach(async (to, from, next) => {
  // start progress bar
  NProgress.start()
  // set page label
  document.title = getPageTitle(to.meta.title)
  // determine whether the user has logged in
  const hasToken = store.getters.token
  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done()
    } else {
      // determine whether the user has obtained his permission roles through getInfo
      const hasRouters = store.getters.dynamicRoutes && store.getters.dynamicRoutes.length > 0
      const { forceChangePassword, account } = store.getters
      if (changePwdWhiteList.indexOf(account) === -1 && forceChangePassword === 'YES') { // 不在白名单里且强制修改密码状态为Y
        await store.dispatch('app/setShowChangePwdDialog', true)
        await store.dispatch('app/setShowChangePwdClose', false)
      }
      if (hasRouters) {
        next()
      } else {
        try {
          // generate accessible routes map based on roles
          const accessRoutes = await store.dispatch('permission/generateRoutes')
          // dynamically add accessible routes
          router.addRoutes(accessRoutes)
          // hack method to ensure that addRoutes is complete
          // set the replace: true, so the navigation will not leave a history record
          next({ ...to, replace: true })
        } catch (error) {
          // remove token and go to login page to re-login
          await store.dispatch('user/resetToken')
          Message.error(error || 'Has Error')
          next(`/login?redirect=${to.path}`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/
    if (whiteList.indexOf(to.path) !== -1) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
